Groovy is an agile, dynamic language for the JVM which combines many
features from languages like Python, Ruby, and Smalltalk and makes them
available to Java developers using a Java-like syntax. It is designed to
help get things done on the Java platform in a quicker, more concise,
and fun way. It can be used as an alternative compiler to javac to
generate standard Java bytecode to be used by any Java project or it can
be used dynamically as an alternative language, such as for scripting
Java objects, templating, or writing unit test cases.

txt2html is a Perl program that uses the HTML::TextToHTML perl module to convert plain text to HTML. It supports headings, lists, tables, simple character markup, hyperlinking and is highly customizable. It recognizes some of the apparent structure of the source document (mostly whitespace and typographic layout) and attempts to mark that structure explicitly using HTML.

Zoe is a Web based email client with a built in SMTP and POP3 server and Google-like search functionality that lives on your desktop. It is written in Java and uses Lucene technology to provided instant searching and threading of your email messages.

Lumenation a complete middleware and framework
environment with its own SDK, LightBulb. It is a
complete browser-based WYSIWYG PHP development
suite that includes an application generator, a
code editor (with context and classes prompting
and highlighting), a GUI application interface,
record locking, record access journaling, HIPAA,
FERPA, and DOD application compliance, user
application logging, transaction logging, user
monitoring, a library of PHP classes and data
access security, report, query, and SQL builders,
a source code manager, an application management
system, and a virtual desktop system metaphor, and
many other features.

DoceboLMS is an e-learning platform used in corporate, government, and educational markets. It supports 25 languages and can be used with different didactic models (blended, self-directed, collaborative, and even social learning).

itools is a collection of Python libraries which
provides a wide range of capabilities, including
an abstraction over directory and file resources,
a search engine, type marshallers, datatype
schemas, i18n support, URI handlers, a Web
programming interface, a workflow interface, and
support for data formats such as (X)HTML, XML,
iCalendar, RSS 2.0, and XLIFF.

RefDB is a reference database and bibliography
tool for SGML, XML, and LaTeX documents.
Command-line tools allow interactive or scriptable
access to the data which are stored in a SQL
database. RefDB can also be accessed through a Web
interface, a SRU interface, or via editor
extensions (Emacs/vim). Libraries for Perl and PHP
are available for programmers. RefDB provides
sophisticated character encoding handling, using
Unicode by default.

coWiki is a sophisticated but easy-to-use Web collaboration tool that
helps you and your coworkers create and organize Web documents,
Weblogs, and knowledgebases (or any other document structures)
directly in HTML browsers. You can evolve ideas and gain a concomitant
XML documentation of your brainstorming without having to concentrate
on complicated structural syntaxes. coWiki follows the tradition of
loose Wiki Wiki Webs with easy and intuitional markup, adding Unixlike
access management, a directory/document hierarchy, and a plugin API
for your functionalities and enhancements. It is template-based and
multilingual.